Mass Effect 2 has 62 achievements worth 1,355 gamerscore.
The base game contains 50 achievements worth 1,000 Gamerscore, and there are 5 DLC packs containing 12 achievements worth 355 Gamerscore.
- Colony Defense
Defend a human colony from attack
09 March 2017 - 2 guides
- Warp Specialist
Warp the barriers of 25 enemies
09 March 2017 - 6 guides
- Master at Arms
Kill enemies with 5 different heavy weapons during the game
09 March 2017 - 4 guides
- The Krogan
Successfully recruit the krogan
08 March 2017 - 2 guides
- Power Full
Evolve any power
08 March 2017 - 3 guides
- Overload Specialist
Disrupt the shields of 25 enemies
08 March 2017 - 6 guides
- Incineration Specialist
Incinerate the armor of 25 enemies
08 March 2017 - 6 guides
- Agent
Complete 5 missions discovered by scanning unexplored worlds
05 March 2017 - 2 guides
- Tactician
Hit 20 different targets with multiple biotic powers to combine the effects
05 March 2017 - 8 guides
- The Convict
Successfully recruit the biotic Convict
03 March 2017 - 1 guide
- Brawler
Shoot and kill 20 enemies while they're knocked back by a punch
03 March 2017 - 9 guides
- Technician
Obtain 10 technology upgrades
03 March 2017 - 2 guides
- Scientist
Complete any research project in the Normandy's laboratory
03 March 2017 - 1 guide
- Explorer
Visit 100% of the planets in an unexplored cluster
03 March 2017 - 3 guides
- Operative
Complete a mission discovered by scanning an unexplored world
03 March 2017 - 2 guides
- Head Hunter
Perform 30 headshot kills with any weapon on humanoid targets
03 March 2017 - 2 guides
- The Archangel
Successfully recruit Archangel
03 March 2017 - 2 guides
- The Professor
Successfully recruit the Professor
28 February 2017 - 2 guides
- Merciless
Make 20 enemies scream as they fall or are set on fire
28 February 2017 - 3 guides
- Scholar
Unlock 15 new Mass Effect 2 codex entries
28 February 2017 - 1 guide
- Prospector
Retrieve mineral resources by scanning and probing a planet in the galaxy map
28 February 2017 - 3 guides
- Fashionista
Personalize your armor in your quarters on the Normandy
28 February 2017 - 3 guides
- Highly Trained
View all advanced combat training videos at Shepard's private terminal.
28 February 2017 - 2 guides
- Very Elusive
Return to active duty
28 February 2017 - 1 guide
- Missing in Action
Save your crew from an overwhelming attack
05 January 2017 - 1 guide
- The Quarian
Successfully recruit the quarian
Locked - 2 guides
- The Justicar
Successfully recruit the Justicar
Locked - 1 guide
- The Assassin
Successfully recruit the Assassin
Locked - 1 guide
- Friend or Foe
Obtain geth technology
Locked - 2 guides
- The Prodigal
Gain the loyalty of the Cerberus Officer
Locked - 1 guide
- Ghost of the Father
Gain the loyalty of the Cerberus Operative
Locked - 2 guides
- Catharsis
Gain the loyalty of the biotic Convict
Locked - 1 guide
- Battlemaster
Gain the loyalty of the krogan
Locked - 1 guide
- Fade Away
Gain the loyalty of Archangel
Locked - 1 guide
- The Cure
Gain the loyalty of the Professor
Locked - 1 guide
- Treason
Gain the loyalty of the quarian
Locked - 2 guides
- Doppelganger
Help the Justicar resolve her mission
Locked - 2 guides
- Cat's in the Cradle
Gain the loyalty of the Assassin
Locked - 2 guides
- A House Divided
Hack a geth collective
Locked - 2 guides
- Ghost Ship
Complete the investigation of a derelict alien vessel
Locked - 1 guide
- Suicide Mission
Use the Omega 4 Relay
Locked - 2 guides
- Mission Accomplished
Save humanity throughout the galaxy from certain annihilation
Locked - 3 guides
- Against All Odds
Survive suicide mission
Locked - 1 guide
- Insanity
Complete the game on the "Insanity" difficulty level without changing the setting
Locked - 11 guides
- No One Left Behind
Keep your team alive through the suicide mission
Locked - 21 guides
- Long Service Medal
Complete Mass Effect 2 twice, or complete it once with a character imported from Mass Effect 1
Locked - 2 guides
- Paramour
Successfully pursue a relationship with a teammate
Locked - 4 guides
- Big Game Hunter
Thresher Maw defeated
Locked - 3 guides
- Power Gamer
Reach Level 30 with one character
Locked - 2 guides
- Weapon Specialist
Fully upgrade a weapon
Locked - 3 guides